def __init__(self, parent=None, **kwargs):
Annotation.__init__(self, parent, **kwargs)
self.setFlag(QGraphicsItem.ItemIsMovable)
self.setFlag(QGraphicsItem.ItemIsSelectable)
self.setFocusPolicy(Qt.ClickFocus)
self.__textMargins = (2, 2, 2, 2)
rect = self.geometry().translated(-self.pos())
self.__framePen = QPen(Qt.NoPen)
self.__framePathItem = QGraphicsPathItem(self)
self.__framePathItem.setPen(self.__framePen)
self.__textItem = GraphicsTextEdit(self)
self.__textItem.setPlaceholderText(self.tr("Enter text here"))
self.__textItem.setPos(2, 2)
self.__textItem.setTextWidth(rect.width() - 4)
self.__textItem.setTabChangesFocus(True)
self.__textItem.setTextInteractionFlags(Qt.NoTextInteraction)
self.__textItem.setFont(self.font())
self.__textInteractionFlags = Qt.NoTextInteraction
layout = self.__textItem.document().documentLayout()
layout.documentSizeChanged.connect(self.__onDocumentSizeChanged)
self.__updateFrame()
def __init__(self, plot=None):
orangeqt.PlotItem.__init__(self)
self._x_enabled = True
self._y_enabled = True
self._path_item = QGraphicsPathItem(self)
self.set_in_background(True)
if plot:
self.attach(plot)
self._path_item.setPen(plot.color(OWPalette.Grid))
def __init__(self, attrCount, yData, color, name=""):
OWCurve.__init__(self, tooltip=name)
self._item = QGraphicsPathItem(self)
self.fitted = False
self.set_style(OWCurve.Lines)
lineCount = len(yData) / attrCount
self.attrCount = attrCount
if type(color) == tuple:
self.set_pen(QPen(QColor(*color)))
else:
self.set_pen(QPen(QColor(color)))
self.set_data(range(attrCount) * lineCount, yData)
def __init__(self, n_attributes, y_values, color, name=""):
OWCurve.__init__(self, tooltip=name)
self._item = QGraphicsPathItem(self)
self.path = QPainterPath()
self.fitted = False
self.n_attributes = n_attributes
self.n_rows = int(len(y_values) / n_attributes)
self.set_style(OWCurve.Lines)
if isinstance(color, tuple):
self.set_pen(QPen(QColor(*color)))
else:
self.set_pen(QPen(QColor(color)))
x_values = list(range(n_attributes)) * self.n_rows
self.set_data(x_values, y_values)
def update(self, zoom_only=False):
self.update_ticks()
line_color = self.plot.color(OWPalette.Axis)
text_color = self.plot.color(OWPalette.Text)
if not self.graph_line or not self.scene():
return
self.line_item.setLine(self.graph_line)
self.line_item.setPen(line_color)
if self.title:
self.title_item.setHtml('<b>' + self.title + '</b>')
self.title_item.setDefaultTextColor(text_color)
if self.title_location == AxisMiddle:
title_p = 0.5
elif self.title_location == AxisEnd:
title_p = 0.95
else:
title_p = 0.05
title_pos = self.graph_line.pointAt(title_p)
v = self.graph_line.normalVector().unitVector()
dense_text = False
if hasattr(self, 'title_margin'):
offset = self.title_margin
elif self._ticks:
if self.should_be_expanded():
offset = 55
dense_text = True
else:
offset = 35
else:
offset = 10
if self.title_above:
title_pos = title_pos + (v.p2() - v.p1()) * (
offset + QFontMetrics(self.title_item.font()).height())
else:
title_pos = title_pos - (v.p2() - v.p1()) * offset
## TODO: Move it according to self.label_pos
self.title_item.setVisible(self.show_title)
self.title_item.setRotation(-self.graph_line.angle())
c = self.title_item.mapToParent(
self.title_item.boundingRect().center())
tl = self.title_item.mapToParent(
self.title_item.boundingRect().topLeft())
self.title_item.setPos(title_pos - c + tl)
## Arrows
if not zoom_only:
if self.start_arrow_item:
self.scene().removeItem(self.start_arrow_item)
self.start_arrow_item = None
if self.end_arrow_item:
self.scene().removeItem(self.end_arrow_item)
self.end_arrow_item = None
if self.arrows & AxisStart:
if not zoom_only or not self.start_arrow_item:
self.start_arrow_item = QGraphicsPathItem(
self.arrow_path, self)
self.start_arrow_item.setPos(self.graph_line.p1())
self.start_arrow_item.setRotation(-self.graph_line.angle() + 180)
self.start_arrow_item.setBrush(line_color)
self.start_arrow_item.setPen(line_color)
if self.arrows & AxisEnd:
if not zoom_only or not self.end_arrow_item:
self.end_arrow_item = QGraphicsPathItem(self.arrow_path, self)
self.end_arrow_item.setPos(self.graph_line.p2())
self.end_arrow_item.setRotation(-self.graph_line.angle())
self.end_arrow_item.setBrush(line_color)
self.end_arrow_item.setPen(line_color)
## Labels
n = len(self._ticks)
resize_plot_item_list(self.label_items, n, QGraphicsTextItem, self)
resize_plot_item_list(self.label_bg_items, n, QGraphicsRectItem, self)
resize_plot_item_list(self.tick_items, n, QGraphicsLineItem, self)
test_rect = QRectF(self.graph_line.p1(),
self.graph_line.p2()).normalized()
test_rect.adjust(-1, -1, 1, 1)
n_v = self.graph_line.normalVector().unitVector()
if self.title_above:
n_p = n_v.p2() - n_v.p1()
else:
n_p = n_v.p1() - n_v.p2()
l_v = self.graph_line.unitVector()
l_p = l_v.p2() - l_v.p1()
for i in range(n):
pos, text, size, step = self._ticks[i]
hs = 0.5 * step
tick_pos = self.map_to_graph(pos)
if not test_rect.contains(tick_pos):
self.tick_items[i].setVisible(False)
self.label_items[i].setVisible(False)
continue
item = self.label_items[i]
item.setVisible(True)
if not zoom_only:
if self.id in XAxes or getattr(self, 'is_horizontal', False):
item.setHtml('<center>' + Qt.escape(text.strip()) +
'</center>')
else:
item.setHtml(Qt.escape(text.strip()))
item.setTextWidth(-1)
text_angle = 0
if dense_text:
w = min(item.boundingRect().width(), self.max_text_width)
item.setTextWidth(w)
if self.title_above:
label_pos = tick_pos + n_p * (
w + self.text_margin
) + l_p * item.boundingRect().height() / 2
else:
label_pos = tick_pos + n_p * self.text_margin + l_p * item.boundingRect(
).height() / 2
text_angle = -90 if self.title_above else 90
else:
w = min(
item.boundingRect().width(),
QLineF(self.map_to_graph(pos - hs),
self.map_to_graph(pos + hs)).length())
label_pos = tick_pos + n_p * self.text_margin - l_p * w / 2
item.setTextWidth(w)
if not self.always_horizontal_text:
if self.title_above:
item.setRotation(-self.graph_line.angle() - text_angle)
else:
item.setRotation(self.graph_line.angle() - text_angle)
item.setPos(label_pos)
item.setDefaultTextColor(text_color)
self.label_bg_items[i].setRect(item.boundingRect())
self.label_bg_items[i].setPen(QPen(Qt.NoPen))
self.label_bg_items[i].setBrush(self.plot.color(OWPalette.Canvas))
item = self.tick_items[i]
item.setVisible(True)
tick_line = QLineF(v)
tick_line.translate(-tick_line.p1())
tick_line.setLength(size)
if self.title_above:
tick_line.setAngle(tick_line.angle() + 180)
item.setLine(tick_line)
item.setPen(line_color)
item.setPos(self.map_to_graph(pos))
